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1.1 root 1: /* XCOFF definitions. These are needed in dbxout.c, final.c,
2: and xcoffout.h. */
3:
4: #define ASM_STABS_OP ".stabx"
5:
6: /* Tags and typedefs are C_DECL in XCOFF, not C_LSYM. */
7:
8: #define DBX_DECL_STABS_CODE N_DECL
9:
10: /* Use the XCOFF predefined type numbers. */
11:
12: /* ??? According to metin, typedef stabx must go in text control section,
13: but he did not make this changes everywhere where such typedef stabx
14: can be emitted, so it is really needed or not? */
15:
16: #define DBX_OUTPUT_STANDARD_TYPES(SYMS) \
17: { \
18: text_section (); \
19: xcoff_output_standard_types (SYMS); \
20: }
21:
22: /* Any type with a negative type index has already been output. */
23:
24: #define DBX_TYPE_DEFINED(TYPE) (TYPE_SYMTAB_ADDRESS (TYPE) < 0)
25:
26: /* Must use N_STSYM for static const variables (those in the text section)
27: instead of N_FUN. */
28:
29: #define DBX_STATIC_CONST_VAR_CODE N_STSYM
30:
31: /* For static variables, output code to define the start of a static block. */
32:
33: #define DBX_STATIC_BLOCK_START(ASMFILE,CODE) \
34: { \
35: if ((CODE) == N_STSYM) \
36: fprintf ((ASMFILE), "\t.bs\t%s[RW]\n", xcoff_private_data_section_name);\
37: else if ((CODE) == N_LCSYM) \
38: fprintf ((ASMFILE), "\t.bs\t%s\n", xcoff_bss_section_name); \
39: }
40:
41: /* For static variables, output code to define the end of a static block. */
42:
43: #define DBX_STATIC_BLOCK_END(ASMFILE,CODE) \
44: { \
45: if (current_sym_code == N_STSYM || current_sym_code == N_LCSYM) \
46: fprintf (asmfile, "\t.es\n"); \
47: }
48:
49: /* We must use N_RPYSM instead of N_RSYM for register parameters. */
50:
51: #define DBX_REGPARM_STABS_CODE N_RPSYM
52:
53: /* We must use 'R' instead of 'P' for register parameters. */
54:
55: #define DBX_REGPARM_STABS_LETTER 'R'
56:
57: /* Define our own finish symbol function, since xcoff stabs have their
58: own different format. */
59:
60: #define DBX_FINISH_SYMBOL(SYM) \
61: { \
62: if (current_sym_addr && current_sym_code == N_FUN) \
63: fprintf (asmfile, "\",."); \
64: else \
65: fprintf (asmfile, "\","); \
66: /* If we are writing a function name, we must ensure that \
67: there is no storage-class suffix on the name. */ \
68: if (current_sym_addr && current_sym_code == N_FUN \
69: && GET_CODE (current_sym_addr) == SYMBOL_REF) \
70: { \
71: char *_p; \
72: for (_p = XSTR (current_sym_addr, 0); *_p != '[' && *_p; _p++) \
73: fprintf (asmfile, "%c", *_p); \
74: } \
75: else if (current_sym_addr) \
76: output_addr_const (asmfile, current_sym_addr); \
77: else if (current_sym_code == N_GSYM) \
78: fprintf (asmfile, "%s", IDENTIFIER_POINTER (DECL_NAME (SYM))); \
79: else \
80: fprintf (asmfile, "%d", current_sym_value); \
81: fprintf (asmfile, ",%d,0\n", stab_to_sclass (current_sym_code)); \
82: }
83:
84: /* These are IBM XCOFF extensions we need to reference in dbxout.c
85: and xcoffout.c. */
86:
87: /* AIX XCOFF uses this for typedefs. This can have any value, since it is
88: only used for translation into a C_DECL storage class. */
89: #ifndef N_DECL
90: #define N_DECL 0x8c
91: #endif
92: /* AIX XCOFF uses this for parameters passed in registers. This can have
93: any value, since it is only used for translation into a C_RPSYM storage
94: class. */
95: #ifndef N_RPSYM
96: #define N_RPSYM 0x8e
97: #endif
98:
99: /* The line number of the beginning of the current function.
100: xcoffout.c needs this so that it can output relative linenumbers. */
101:
102: extern int xcoff_begin_function_line;
103:
104: /* Name of the current include file. */
105:
106: extern char *xcoff_current_include_file;
107:
108: /* Name of the current function file. This is the file the `.bf' is
109: emitted from. In case a line is emitted from a different file,
110: (by including that file of course), then the line number will be
111: absolute. */
112:
113: extern char *xcoff_current_function_file;
114:
115: /* Names of bss and data sections. These should be unique names for each
116: compilation unit. */
117:
118: extern char *xcoff_bss_section_name;
119: extern char *xcoff_private_data_section_name;
120: extern char *xcoff_read_only_section_name;
121:
122: /* Don't write out path name for main source file. */
123: #define DBX_OUTPUT_MAIN_SOURCE_DIRECTORY(FILE,FILENAME)
124:
125: /* Write out main source file name using ".file" rather than ".stabs". */
126: #define DBX_OUTPUT_MAIN_SOURCE_FILENAME(FILE,FILENAME) \
127: fprintf (FILE, "\t.file\t\"%s\"\n", FILENAME);
128:
129: #define ABS_OR_RELATIVE_LINENO(LINENO) \
130: ((xcoff_current_include_file \
131: && xcoff_current_include_file != xcoff_current_function_file) \
132: ? (LINENO) : (LINENO) - xcoff_begin_function_line)
133:
134: /* Output source line numbers via ".line" rather than ".stabd". */
135: #define ASM_OUTPUT_SOURCE_LINE(FILE,LINENUM) \
136: do { \
137: if (xcoff_begin_function_line >= 0) \
138: fprintf (FILE, "\t.line\t%d\n", ABS_OR_RELATIVE_LINENO (LINENUM)); \
139: } while (0)
140:
141: /* We don't want to emit source file names in dbx style. */
142: #define DBX_OUTPUT_SOURCE_FILENAME(FILE, FILENAME) \
143: { \
144: if (xcoff_current_include_file) \
145: fprintf (FILE, "\t.ei\t\"%s\"\n", xcoff_current_include_file);\
146: if (strcmp (main_input_filename, FILENAME)) \
147: { \
148: fprintf (FILE, "\t.bi\t\"%s\"\n", FILENAME); \
149: xcoff_current_include_file = FILENAME; \
150: } \
151: else \
152: xcoff_current_include_file = NULL; \
153: }
154:
155: /* If we are still in an include file, its end must be marked. */
156: #define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME) \
157: { \
158: if (xcoff_current_include_file) \
159: { \
160: fprintf ((FILE), "\t.ei\t\"%s\"\n", \
161: xcoff_current_include_file); \
162: xcoff_current_include_file = NULL; \
163: } \
164: }
165:
166: /* Do not break .stabs pseudos into continuations. */
167: #define DBX_CONTIN_LENGTH 0
168:
169: /* Don't try to use the `x' type-cross-reference character in DBX data.
170: Also has the consequence of putting each struct, union or enum
171: into a separate .stabs, containing only cross-refs to the others. */
172: #define DBX_NO_XREFS
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